[PATCH 5.10 023/151] net: dsa: vsc73xx: pass value in phy_write operation

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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pawel Dembicki <paweldembicki@xxxxxxxxx>

[ Upstream commit 5b9eebc2c7a5f0cc7950d918c1e8a4ad4bed5010 ]

In the 'vsc73xx_phy_write' function, the register value is missing,
and the phy write operation always sends zeros.

This commit passes the value variable into the proper register.

Fixes: 05bd97fc559d ("net: dsa: Add Vitesse VSC73xx DSA router driver")
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
Signed-off-by: Pawel Dembicki <paweldembicki@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/dsa/vitesse-vsc73xx-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c
index 018988b95035e..55c1063327a8f 100644
--- a/drivers/net/dsa/vitesse-vsc73xx-core.c
+++ b/drivers/net/dsa/vitesse-vsc73xx-core.c
@@ -531,7 +531,7 @@ static int vsc73xx_phy_write(struct dsa_switch *ds, int phy, int regnum,
 		return 0;
 	}
 
-	cmd = (phy << 21) | (regnum << 16);
+	cmd = (phy << 21) | (regnum << 16) | val;
 	ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd);
 	if (ret)
 		return ret;
-- 
2.43.0







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